CVE-2015-5283 Information

Description

The sctp_init function in net/sctp/protocol.c in the Linux kernel before 4.2.3 has an incorrect sequence of protocol-initialization steps which allows local users to cause a denial of service (panic or memory corruption) by creating SCTP sockets before all of the steps have finished.

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8e2d61e0aed2b7c4ecb35844fe07e0b2b762dee4 http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.html http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html http://patchwork.ozlabs.org/patch/515996/ http://www.debian.org/security/2015/dsa-3372 http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.2.3 http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html http://www.securityfocus.com/bid/77058 http://www.securitytracker.com/id/1033808 http://www.ubuntu.com/usn/USN-2823-1 http://www.ubuntu.com/usn/USN-2826-1 http://www.ubuntu.com/usn/USN-2829-1 http://www.ubuntu.com/usn/USN-2829-2 https://bugzilla.redhat.com/show_bug.cgi?id=1257528 https://github.com/torvalds/linux/commit/8e2d61e0aed2b7c4ecb35844fe07e0b2b762dee4 https://security-tracker.debian.org/tracker/CVE-2015-5283